research data . Dataset . 2015

Waveguide lasers in ytterbium-doped tantalum pentoxide on silicon

Aghajani, Armen; Murugan, Ganapathy S.; Sessions, Neil; Apostolopoulos, Vasileios; Wilkinson, James;
Open Access English
  • Published: 01 Jan 2015
  • Publisher: University of Southampton
  • Country: United Kingdom
<span style='white-space:pre-line'>A waveguide laser in an ytterbium doped tantalum pentoxide film is reported. The waveguide is formed of a rib of sputtered tantalum pentoxide on top of oxidized silicon with an over-cladding of silica. Emission at a wavelength of 1025 nm was achieved with an absorbed pump power threshold and slope efficiency of ~ 29 mW and 27% respectively for a cavity formed by a high reflector mirror and an estimated 12% Fresnel reflection from the bare end-face at the output.</span>
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free text keywords: Optoelectronics Research Centre
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